Tolong bantu cari persamaan matriks guys

Tolong bantu cari persamaan matriks guys

Matriks

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$x = left[begin{array}{ccc}10&-9\2&1end{array}right] left[begin{array}{ccc}3&4\-5&-2end{array}right] ^{-1}$

$x = left[begin{array}{ccc}10&-9\2&1end{array}right] frac{1}{3 (-2) - 4(- 5)} left[begin{array} {ccc}-2&-4\5&3end{array}right]$

$x = frac{1}{14} left[begin{array}{ccc}10&-9\2&1end{array}right] left[begin{array} {ccc}-2&-4\5&3end{array}right]$

$x = frac{1}{14} left[begin{array}{ccc}10(-2) -9(5)&-10(-4) -9(3)\2(-2) + 1 (5) &2(-4) + 1(3)end{array}right]$

$x = frac{1}{14} left[begin{array}{ccc}-20 -45&40- 27\-4 +5 &-8 + 3end{array}right]$

$x = frac{1}{14} left[begin{array}{ccc}-65&13\1 &-5end{array}right]$